AAT1106
600mA Step-Down Converter
Typical Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
(VOUT = 2.5V; L = 2.2µH; TA = 25°C)
(VIN = 3.6V; VOUT = 2.5V; TA = 25°C)
100
100
90
80
70
60
50
40
30
20
10
0
90
VIN = 2.7V
80
70
VIN = 4.2V
L = 10µH
60
50
40
30
20
10
0
L = 4.7µH
VIN = 3.6V
L = 2.2µH
L = 1.4µH
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Efficiency vs. Output Current
Efficiency vs. Output Current
(VOUT = 1.8V; L = 2.2µH; TA = 25°C)
(VIN = 3.6V; VOUT = 1.8V; TA = 25°C)
100
100
90
80
70
60
50
40
30
20
10
VIN = 2.7V
90
80
70
60
50
40
30
20
10
VIN = 3.6V
L = 2.2µH
L = 1.4µH
L = 10µH
L = 4.7µH
VIN = 4.2V
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
Efficiency vs. Output Current
Efficiency vs. Output Current
(VOUT = 1.5V; L = 2.2µH; TA = 25°C)
(VOUT = 1.2V; L = 2.2µH; TA = 25°C)
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
VIN = 2.7V
VIN = 2.7V
VIN = 4.2V
VIN = 4.2V
VIN = 3.6V
VIN = 3.6V
0
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current (mA)
Output Current (mA)
1106.2007.07.1.0
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
